bjoernager/rust
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Ensure nested allocations in statics do not get deduplicated

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This commit is contained in:
Oli Scherer 2024-02-26 18:03:06 +00:00
parent 92414ab25d
commit d3514a036d
21 changed files with 259 additions and 54 deletions
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8
compiler/rustc_mir_transform/src/dataflow_const_prop.rs
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@ -3,7 +3,7 @@
//! Currently, this pass only propagates scalar values.
use rustc_const_eval::interpret::{
ImmTy, Immediate, InterpCx, OpTy, PlaceTy, PointerArithmetic, Projectable,
HasStaticRootDefId, ImmTy, Immediate, InterpCx, OpTy, PlaceTy, PointerArithmetic, Projectable,
};
use rustc_data_structures::fx::FxHashMap;
use rustc_hir::def::DefKind;
@ -889,6 +889,12 @@ impl<'tcx> Visitor<'tcx> for OperandCollector<'tcx, '_, '_, '_> {
pub(crate) struct DummyMachine;
impl HasStaticRootDefId for DummyMachine {
fn static_def_id(&self) -> Option<rustc_hir::def_id::LocalDefId> {
None
}
}
impl<'mir, 'tcx: 'mir> rustc_const_eval::interpret::Machine<'mir, 'tcx> for DummyMachine {
rustc_const_eval::interpret::compile_time_machine!(<'mir, 'tcx>);
type MemoryKind = !;